Knowing yield can help you make informed management decisions. You can estimate potential yield from past history of the field, neighboring fields of similar type, averages for specific forages, and from soils information.
Rangeland, pastures and hay fields throughout Oregon often contain poisonous plants that are potentially dangerous to cattle and other livestock.
Late summer and fall are critical times for proper pasture management. Check out this fact sheet and begin to understand plant and root growth in the Fall.